13756028 has 24 divisors (see below), whose sum is σ = 28282800. Its totient is φ = 5771520.

The previous prime is 13756021. The next prime is 13756051. The reversal of 13756028 is 82065731.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13755985 and 13756003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13756021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11453 + ... + 12596.

It is an arithmetic number, because the mean of its divisors is an integer number (1178450).

Almost surely, 2^13756028 is an apocalyptic number.

It is an amenable number.

13756028 is an abundant number, since it is smaller than the sum of its proper divisors (14526772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13756028 is a wasteful number, since it uses less digits than its factorization.

13756028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24077 (or 24075 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 13756028 is about 3708.9119698370. The cubic root of 13756028 is about 239.6059970461.

It can be divided in two parts, 137 and 56028, that added together give a palindrome (56165).

The spelling of 13756028 in words is "thirteen million, seven hundred fifty-six thousand, twenty-eight".